61428082417 has 8 divisors (see below), whose sum is σ = 67140683456. Its totient is φ = 55856533392.

The previous prime is 61428082381. The next prime is 61428082477. The reversal of 61428082417 is 71428082416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61428082417 - 2³⁵ = 27068344049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61428082477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35262093 + ... + 35263834.

It is an arithmetic number, because the mean of its divisors is an integer number (8392585432).

Almost surely, 2^61428082417 is an apocalyptic number.

61428082417 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

61428082417 is a deficient number, since it is larger than the sum of its proper divisors (5712601039).

61428082417 is a wasteful number, since it uses less digits than its factorization.

61428082417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70526007.

The product of its (nonzero) digits is 172032, while the sum is 43.

Subtracting 61428082417 from its reverse (71428082416), we obtain a palindrome (9999999999).

The spelling of 61428082417 in words is "sixty-one billion, four hundred twenty-eight million, eighty-two thousand, four hundred seventeen".